Here is the full list of all 40 Microsoft Mahjong (Windows) achievements worth 1,000 gamerscore.
Completed the same puzzle 20 times
Came back each day of an entire month and completed at least one Daily Challenge
After reaching "No more moves", undo at least 10 moves in a row and then completed the puzzle
Played the Daily Challenge 5 days in a row
Completed every Daily Challenge in a month
Won a diamond Daily Challenge badge
Made 10,000 matches.
Reached "No More Moves" three games in a row on three different puzzles.
Completed 10 puzzles on Hard difficulty without using a reshuffle or undo.
Completed Nautilus Puzzle where the last match made contains a tile from the tail end of the spiral
Completed the following puzzles in sequence: Butterfly, Turtle, Ray, Dragon
Completed an expert puzzle in five minutes or less
Matched a pair of lightning tiles with only 1 move left before they explode.
Completed a puzzle while using each of four different themes.
Completed the Match Attack Daily Challenge with at least 1 minute left on the clock.
Cleared the board with golden tiles being the last match on the board.
Won your first Daily Challenge
Played your first Daily Challenge
Completed the Train puzzle using the Cosmos theme 5 times
Completed four different puzzles in the expert category.
Completed 4 expert puzzles using the Tranquility theme.
Completed the Dragon puzzle without using a reshuffle or undo.
Made 1,000 matches.
Completed a puzzle in under 3 minutes.
Completed a puzzle within three turns after using a reshuffle.
Matched three identical pairs in a row
Made three consecutive matches with wild tiles.
Using the Tranquility theme, matched the following tiles in sequince N, E, S, W
Completed the tutorial.
Completed the Turtle puzzle layout for the first time.
Completed an entire puzzle using the "Show Available Tiles" option.
Made 100 matches.
Changed Themes
Completed a Puzzle
Completed Nautilus Puzzle without using a shuffle or undo.
Completed a Hard Puzzle
Made 5 matches in under 15 seconds.
Win 12 bronze Daily Challenge badges
Win 10 silver Daily Challenge badges
Win 8 gold Daily Challenge badges